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To reveal the three-dimensional stress state-induced gas adsorption\u2013desorption characteristics in coal-bearing shale reservoirs from a micro-scale perspective, the coal-bearing shale samples from the Dongbaowei Coal Mine in the Shuangyashan Basin were chosen as the research subject. Isothermal adsorption\u2013desorption experiments under three-dimensional stress state were conducted using the low field nuclear magnetic resonance (L-NMR)<jats:italic> T<\/jats:italic><jats:sub>2<\/jats:sub> spectrum method to simulate the in-situ coal-bearing shale gas adsorption\u2013desorption process. The average effective stress was used as the equivalent stress indicator for coal-bearing shale, and the integral of nuclear magnetic resonance <jats:italic>T<\/jats:italic><jats:sub>2<\/jats:sub> spectrum amplitude was employed as the gas characterization indicator for coal-bearing shale. A quantitative analysis was performed to examine the relationship between gas adsorption in coal-bearing shale and the average effective stress. And a quantitative analysis was performed to examine the relationship between the macroscopic and microscopic gas quantities of coal-bearing shale. Experimental findings: (1) The adsorption\u2013desorption process of coal-bearing shale gas follows the L-F function model and the D-A-d function model respectively with respect to the amount of gas and the average effective stress. (2) There is a logarithmic relationship between the macroscopic and microscopic gas quantities of coal-bearing shale during the adsorption\u2013desorption process. This quantitatively characterizes the differences in the curves, which may be related to the elastic\u2013plastic deformation, damage and fracture of the micropores in coal-bearing shale, as well as the hysteresis of gas desorption and the stress field of the gas occurrence state.<\/jats:p>","DOI":"10.1038\/s41598-024-54532-9","type":"journal-article","created":{"date-parts":[[2024,3,6]],"date-time":"2024-03-06T17:02:35Z","timestamp":1709744555000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Adsorption\u2013desorption characteristics of coal-bearing shale gas under three-dimensional stress state studied by low field nuclear magnetic resonance spectrum experiments"],"prefix":"10.1038","volume":"14","author":[{"given":"Hunan","family":"Tian","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jupeng","family":"Tang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shipeng","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xin","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,3,6]]},"reference":[{"issue":"4","key":"54532_CR1","first-page":"25","volume":"42","author":"DY Cao","year":"2014","unstructured":"Cao, D. 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